Using CC(C)(C)OC(=O)NCc1nc([Sn](C)(C)C)cs1, Clc1ccn2c(I)cnc2c1 to produce CC(C)(C)OC(=O)NCc1nc(-c2cnc3cc(Cl)ccn23)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.