Using C1COCCO1, O=C1Cc2cc(Cl)cc(Oc3ccccc3Cl)c2N1 to produce Nc1c(CC(=O)O)cc(Cl)cc1Oc1ccccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.