Using CCOC(=O)CCCSc1ncnc2ncn(Cc3ccc4c(c3)N(COC)c3nccnc3S4)c12 to produce O=C(O)CCCSc1ncnc2ncn(Cc3ccc4c(c3)Nc3nccnc3S4)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.