Using O=C(Cl)Cl, c1ccc(CN2CCC(NCCNc3ccccc3)CC2)cc1 to produce O=C1N(c2ccccc2)CCN1C1CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.