Using NC(=O)c1ncn2c1NCC=C2c1ccccc1, S=C(n1ccnc1)n1ccnc1 to produce O=c1[nH]c(=S)n2c3c1ncn3C(c1ccccc1)=CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.