Using O=C(N[C@@H](CO)C(=O)O)OCc1ccccc1, CC(C)(C)OC(=O)NCC(O)CN to produce CC(C)(C)OC(=O)NCC(O)CNC(=O)[C@H](CO)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.