Using COC(=O)[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H]1c1ccc(OC)c(OC2CCCC2)c1, C[Si](C)(C)N=C=O to produce COC(=O)[C@@H]1CN(C(N)=O)C[C@H]1c1ccc(OC)c(OC2CCCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.