Using CCC(=O)N(C)OC, Cn1c(CO[Si](C)(C)C(C)(C)C)cc2cc(Br)ccc21 to produce CCC(=O)c1ccc2c(c1)cc(CO[Si](C)(C)C(C)(C)C)n2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.