Using COc1cccc2c(O)c(C(=O)O)cnc12, NCc1ccc(Cl)cc1 to produce COc1cccc2c(O)c(C(=O)NCc3ccc(Cl)cc3)cnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.