Using COCN1c2cc(CNc3cccnc3)ccc2Sc2nccnc21, CCN=C=O to produce CCNC(=O)N(Cc1ccc2c(c1)N(COC)c1nccnc1S2)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.