Using C[Si](C)(C)CCOCCl, CC(C)(C)OC(=O)N1Cc2c[nH]nc2C1 to produce CC(C)(C)OC(=O)N1Cc2cn(COCC[Si](C)(C)C)nc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.