Using O=C(c1ccc2[nH]c(C(=O)N3CCS(=O)(=O)CC3)cc2c1)N1CCN(C2CCCC2)CC1 to produce O=C(c1ccc2[nH]c(C(=O)N3CCS(=O)(=O)CC3)cc2c1)N1CCN(C2CCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.