Using NCCCCC(=O)O, COC(=O)c1ncc2cc(NCc3ccc(OC)cc3)ccc2c1O to produce COc1ccc(CNc2ccc3c(O)c(C(=O)NCCCCC(=O)O)ncc3c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.