Using CC(C)(C)OC(=O)Nc1nc(-c2ccc3[nH]ccc3c2)ns1, O=C1CCC(=O)N1I to produce CC(C)(C)OC(=O)Nc1nc(-c2ccc3[nH]cc(I)c3c2)ns1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.