Using CNCCN1CCC(O)(Cc2ccc(C)cc2)CC1, O=C(O)c1ccc(OCc2ccccc2)cc1 to produce Cc1ccc(CC2(O)CCN(CCN(C)C(=O)c3ccc(OCc4ccccc4)cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.