Using NCc1nc2c(c(=O)[nH]1)COCC2, CC(C)(C)[Si](C)(C)OCC=O to produce CC(C)(C)[Si](C)(C)OCCNCc1nc2c(c(=O)[nH]1)COCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.