Using COc1ccc(N(CCCl)CCCl)cc1, CN1CCN(c2ccc(N)cc2)C1=O to produce COc1ccc(N2CCN(c3ccc(N4CCN(C)C4=O)cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.