Using CCCCCCCCN, O=C1NC(=O)C(=Cc2ccc(-c3cccc(C(=O)O)c3)cc2)S1 to produce CCCCCCCCNC(=O)c1cccc(-c2ccc(C=C3SC(=O)NC3=O)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.