Using O=C([O-])[O-], CCCCc1ccc(C(=O)N2CCC(n3c(=S)[nH]c4ccccc43)CC2)cc1 to produce CCCCc1ccc(C(=O)N2CCC(n3c(SC)nc4ccccc43)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.