Using CCOC(=O)c1ccc2nc(-c3c(NCC(O)c4cccc(Cl)c4)cc[nH]c3=O)[nH]c2c1, CO to produce Cc1cc(CO)cc2[nH]c(-c3c(NCC(O)c4cccc(Cl)c4)cc[nH]c3=O)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.