Using O=C1CCCCN1C1CCNCC1, CN(C[C@@H](CC=O)c1ccc(Cl)c(Cl)c1)C(=O)c1ccccc1 to produce CN(C[C@@H](CCN1CCC(N2CCCCC2=O)CC1)c1ccc(Cl)c(Cl)c1)C(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.