Using Cc1cc2cc(N)ccc2n1CCC1CCCN1C, CSC(=N)c1cccs1 to produce Cc1cc2cc(NC(=N)c3cccs3)ccc2n1CCC1CCCN1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.