Using COC(=O)c1cccc(CN2CN(c3ccc(F)cc3)C3(CCN(C(=O)OC(C)(C)C)CC3)C2=O)c1 to produce COC(=O)c1cccc(CN2CN(c3ccc(F)cc3)C3(CCNCC3)C2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.