Using O=c1[nH]nc(-c2ccncc2)c2scc(-c3ccncc3)c12, OCCc1ccc2ccccc2n1 to produce O=c1c2c(-c3ccncc3)csc2c(-c2ccncc2)nn1CCc1ccc2ccccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.