Using COCc1cn(C2=NCC(=O)N3CCc4c(O)cccc4C3=C2)cn1, CC(C)I to produce COCc1cn(C2=NCC(=O)N3CCc4c(OC(C)C)cccc4C3=C2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.