Using Nc1cccc(CNC(=O)c2ccc(-c3ccccc3)cc2)c1, O=Cc1cccc(C(=O)O)c1 to produce O=C(O)c1cccc(CNc2cccc(CNC(=O)c3ccc(-c4ccccc4)cc3)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.