Using COC(=O)C(C(=O)OC(C)(C)C)P(=O)(OC)OC, Cc1cc(C=O)cc2cn(COCC[Si](C)(C)C)nc12 to produce COC(=O)C(=Cc1cc(C)c2nn(COCC[Si](C)(C)C)cc2c1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.