Using OCCI, O=c1oc2cc(N3CCNCC3)ccc2cc1-c1nc2ccccc2s1 to produce O=c1oc2cc(N3CCN(CCO)CC3)ccc2cc1-c1nc2ccccc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.