Using COC(=O)c1cccn1N, C[C@H](NC(=O)OC(C)(C)C)C(=O)O to produce COC(=O)c1cccn1NC(=O)C(C)NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.