Using CCCn1c(=O)c2c(nc(-c3cn[nH]c3)n2COCC[Si](C)(C)C)n(CCC)c1=O, O=C(O)CBr to produce CCCn1c(=O)c2c(nc(-c3cnn(CC(=O)O)c3)n2COCC[Si](C)(C)C)n(CCC)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.