Using CC1=C(C)C(=O)C(C(c2cccnc2)c2cccs2)=C(C)C1=O to produce CCCCC(C1=C(C)C(=O)C(C)=C(C)C1=O)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.