Using CCNc1cccc(CCOc2cc(CC)c3c(c2)Cc2ccccc2C(CC(=O)O)C3)n1 to produce CCNc1cccc(CCOc2ccc3c(c2)Cc2ccccc2C(CC(=O)O)C3)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.