Using C=C(c1cccnc1)c1ccc2c(c1)N(COC)c1nccnc1S2 to produce COCN1c2cc(C(C)c3cccnc3)ccc2Sc2nccnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.