Using C1=Cc2c(ccc3[nH]c4c(c23)CCN(Cc2ccccc2)CC4)OC1 to produce c1cc2[nH]c3c(c2c2c1OCCC2)CCNCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.