Using c1ccc2c(c1)CCCCN2, O=C(c1ccc(N2CCNCC2)cc1Cl)N1CCCCc2ccccc21 to produce CN1CCN(c2ccc(C(=O)N3CCCCc4ccccc43)c(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.