Using BrCc1ccccc1, COC(=O)C1CN(Cc2ccc(Cl)cc2)CCC1=O to produce COC(=O)C1(Cc2ccccc2)CN(Cc2ccc(Cl)cc2)CCC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.