Using O=C1CCC(=O)N1I, CCOC(=O)C1CCN(c2cccc(Cc3ccccc3)n2)CC1 to produce CCOC(=O)C1CCN(c2ccc(I)c(Cc3ccccc3)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.