Using COc1ccc2c(OCCBr)ccnc2c1, O=c1ccc(Cl)n[nH]1 to produce COc1ccc2c(OCCn3nc(Cl)ccc3=O)ccnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.