Using COc1cc2c(C)nn(Cc3c(Cl)cccc3Cl)c2cc1C(=O)O to produce Cc1nn(Cc2c(Cl)cccc2Cl)c2cc(C(=O)O)c(O)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.