Using COC(=O)C(C)(C)Br, CC(C)Cn1c(CNC(=O)OC(C)(C)C)c(-c2ccccc2)c2cc(O)ccc2c1=O to produce COC(=O)C(C)(C)Oc1ccc2c(=O)n(CC(C)C)c(CNC(=O)OC(C)(C)C)c(-c3ccccc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.