Using CSC(=N)Nc1nc(-c2cccc(CNC(C)=O)c2)cs1, COCCN to produce COCCNC(N)=Nc1nc(-c2cccc(CNC(C)=O)c2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.