Using CCOC(=O)c1cc2c(C)c(NC(C)=O)c(C)nc2[nH]c1=O to produce CC(=O)Nc1c(C)nc2[nH]c(=O)c(C(=O)O)cc2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.