Using O=C(O)c1ccccc1I, c1ccn2c(CCN3CCOCC3)ncc2c1 to produce O=C(c1ccccc1I)c1nc(CCN2CCOCC2)n2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.