Using COC(=O)c1ccc2[nH]ccc2c1, ClCc1ccc(Cl)cc1Cl to produce COC(=O)c1ccc2c(ccn2Cc2ccc(Cl)cc2Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.