Using COc1ccc(Cc2c(C)cc(NC(=O)OC(C)(C)C)cc2C)cc1C(C)C to produce COc1ccc(Cc2c(C)cc(N)cc2C)cc1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.