Using CC=O, CC(C)(C)OC(=O)N1CCC(c2nc(I)cn2CCN2CCCC2)CC1 to produce CC(O)c1cn(CCN2CCCC2)c(C2CCN(C(=O)OC(C)(C)C)CC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.