Using CCOC(=O)c1c(C)cn(C(=O)c2ccccc2)c(=O)c1C, CO to produce Cc1cn(C(C)c2ccccc2)c(=O)c(C)c1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.