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