Using O=C(O)CCCNS(=O)(=O)c1ccc(N2CCN(C(=O)OCc3ccccc3)CC2)cc1 to produce O=C(OCc1ccccc1)N1CCN(c2ccc(S(=O)(=O)N3CCCC3=O)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.