Using Cc1ccc(OCC(=O)O)cc1, NCC(O)CN1CCc2ccccc2C1 to produce Cc1ccc(OCC(=O)NCC(O)CN2CCc3ccccc3C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.