Using c1ccc(C2CCN(CC3CNCC3c3ccsc3)CC2)cc1, O=C(O)c1cccc2cc[nH]c12 to produce O=C(c1cccc2cc[nH]c12)N1CC(CN2CCC(c3ccccc3)CC2)C(c2ccsc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.