Using COc1ccccc1CCN, O=C(O)Cc1cccc(CC(=O)O)c1 to produce COc1ccccc1CCNC(=O)Cc1cccc(CC(=O)O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.