Using CC(C)(C)OC(=O)NCCn1c(S(C)(=O)=O)nc2cnc3cccnc3c21 to produce c1cnc2c(c1)ncc1nc3n(c12)CCN3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.