Using NC(=O)CBr, O=C(C1CCNCC1)N(CCCN1CCC(Cc2ccccc2)CC1)c1ccc(Cl)c(Cl)c1 to produce NC(=O)CN1CCC(C(=O)N(CCCN2CCC(Cc3ccccc3)CC2)c2ccc(Cl)c(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.