Using O=C([O-])O, CC(=O)N1CCc2cc(SCc3ccncc3)c(I)cc21 to produce CC(=O)N1CCc2cc(SCC3=CCN(C)CC3)c(I)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.