Using COc1ccc(Cn2cc(C(=O)O)c(=O)c3ccccc32)cc1, CNOC to produce COc1ccc(Cn2cc(C(=O)N(C)OC)c(=O)c3ccccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.