Using CCNc1cccnc1N1CCNCC1, O=C(O)c1cc2cc(OCc3ccccc3)ccc2[nH]1 to produce CCNc1cccnc1N1CCN(C(=O)c2cc3cc(OCc4ccccc4)ccc3[nH]2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.