Using COC(=O)C1(C)CCN(c2ncc(-c3ccc4nc(C)c(Cc5ccccc5OC(F)F)n4c3)cn2)CC1, C[Si](C)(C)N[Si](C)(C)C to produce COC(=O)C1(C)CCN(c2ncc(-c3ccc4nc(C)c(C(C)c5ccccc5OC(F)F)n4c3)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.