Using O=Cc1cn[nH]c1, CCC(C)(C)c1nc2cc(S(=O)(=O)Cl)ccc2n1CC1CCOCC1 to produce CCC(C)(C)c1nc2cc(S(=O)(=O)n3cc(C=O)cn3)ccc2n1CC1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.