Using COc1ccc(CCNC(=O)c2sc(NC(c3ccccc3)(c3ccccc3)c3ccccc3)nc2C)cc1OC to produce COc1cc2c(cc1OC)C(c1sc(N)nc1C)=NCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.