Using CCCCCCCCNC(=O)N(C)c1cccc(-c2ccc(CCC(=O)OCC)cc2)c1 to produce CCCCCCCCNC(=O)N(C)c1cccc(-c2ccc(CCC(=O)O)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.