Using O=C1NC(=O)c2ccccc21, C[C@H](NC(=O)OC(C)(C)C)C(O)C1CC1(C)C to produce C[C@H](NC(=O)OC(C)(C)C)C(C1CC1(C)C)N1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.