Using CC(C)(C)OC(=O)C[C@H](c1ccccc1)n1cnc2ccccc21 to produce O=C(O)C[C@H](c1ccccc1)n1cnc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.