Using O=C(O)CC1c2ccccc2C(=O)N1c1ccc(Cl)cn1, C1CCNCC1 to produce O=C(CC1c2ccccc2C(=O)N1c1ccc(Cl)cn1)N1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.