Using COC(=O)c1cc(C(=O)CN(Cc2ccccc2)C(C)(C)C)ccc1OC to produce COC(=O)c1cc(C(O)CNC(C)(C)C)ccc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.