Using c1ccc(CN2CCc3c(CCOc4ccccc4)c4ccccc4n3CC2)cc1 to produce c1ccc(OCCc2c3n(c4ccccc24)CCNCC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.