Using CCOC(=O)c1ccc2c(c1)nc(-c1c(Cl)cccc1Cl)n2C to produce Cn1c(-c2c(Cl)cccc2Cl)nc2cc(C(=O)O)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.