Using CCN(CC)CCN1CCN(CCCl)CC1, O=c1c2ccccc2[nH]c2ccccc12 to produce CCN(CC)CCN1CCN(CCc2cccc3[nH]c4ccccc4c(=O)c23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.