Using Cn1c(CO[Si](C)(C)C(C)(C)C)cc2cc(Br)ccc21, O=C=O to produce Cn1c(CO[Si](C)(C)C(C)(C)C)cc2cc(C(=O)O)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.