Using O=C(Cl)c1ccc(C(=O)c2ccccc2)cc1, NCCCCCCCCCCC(=O)O to produce O=C(O)CCCCCCCCCCNC(=O)c1ccc(C(=O)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.